Nanostructures and stress-induced phase transformation mechanism in titanium nickelide annealed after moderate cold deformation

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• 作者：S. Prokoshkin^a ; ^{prokoshkin@tmo.misis.ru} ; S. Dubinskiy^a ; V. Brailovski^b ; A. Korotitskiy^a ; A. Konopatsky^a ; V. Sheremetyev^a ; E. Blinova^c
• 关键词：Titanium nickelide ; Martensitic transformation ; Nanostructure ; Stress-induced martensite ; Thermomechanical treatment
• 刊名：Materials Letters
• 出版年：2017
• 出版时间：1 April 2017
• 年：2017
• 卷：192
• 期：Complete
• 页码：111-114
• 全文大小：1108 K
• 卷排序：192

文摘

A mixed nanostructure forms in Ti-Ni SMA annealed after moderate cold rolling. Transformation in Ti-Ni remains discrete upon grain/subgrain size decrease to 15 nm. X-ray line shifting under external stress is caused by elastic strain growth.